On the contact interaction of hard-alloy deforming broaches with the workpiece during the formation of grooves in the holes of tubular products - Ye. Sheikin; O. V. Hrushko; V. V. Melnychenko; S. F. Studenets; Yu. Rostotskyi; D. V. Yefrosinin; Ya. V. Melnychenko (Superhard Materials, 2021)